1. Linear Motion!
Created by Educational Technology Network

2. Velocity
Acceleration
Free Fall
Definitions
Problems 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

3. Topic 1 – 10 Points Give two examples of units for velocity. QUESTION:
ANSWER:
distance/time… mi/hr, m/s, cm/min, etc…

4. Topic 1 – 20 Points V = d/t QUESTION: ANSWER:
What is the equation for velocity?
ANSWER:
V = d/t

5. Topic 1 – 30 Points
QUESTION:
A car’s speedometer shows the ________________ speed.
ANSWER:
instantaneous

6. Topic 1 – 40 Points What is the difference between speed and velocity?
QUESTION:
What is the difference between speed and velocity?
ANSWER:
velocity is a vector. It accounts for direction.

7. Topic 1 – 50 Points
QUESTION:
Why is it impossible to have a constant velocity while driving around a circular race track?
ANSWER:
Constant velocity = constant direction

8. Topic 2 – 10 Points QUESTION: ANSWER:
Give two examples of units for acceleration?
ANSWER:
velocity/time…m/s2, km/hr/s, mi/hr/s

9. Topic 2 – 20 Points What is the equation for finding acceleration?
QUESTION:
What is the equation for finding acceleration?
ANSWER:
change in velocity/time = acceleration

10. Topic 2 – 30 Points Is acceleration a scalar or a vector? QUESTION:
ANSWER:
vector

11. Topic 2 – 40 Points
QUESTION:
Acceleration is the slope of a _________ vs _________ graph
ANSWER:
velocity/speed vs time

12. Topic 2 – 50 Points
QUESTION:
Explain a situation where the velocity and acceleration of an object are opposite.
ANSWER:
when an object is slowing down

13. Topic 3 – 10 Points What is acceleration due to gravity? QUESTION:
ANSWER:
10m/s2

14. Topic 3 – 20 Points
QUESTION:
When an object is falling the ______ will increase by 10m/s every second it spends in the air.
ANSWER:
velocity

15. Topic 3 – 30 Points QUESTION: ANSWER:
How do you find the distance an object travels in free fall?
ANSWER:
d = 5t2

16. Topic 3 – 40 Points QUESTION: ANSWER:
Which graph represents an object in free fall?
ANSWER:
B… with each second that passes the object will fall a greater distance

17. Topic 3 – 50 Points QUESTION: ANSWER:
A rock is thrown straight up with an initial velocity of 40 m/s. What maximum height will the rock reach before starting to fall downward?
ANSWER:
80m

18. Topic 4 – 10 Points
QUESTION:
At what velocity must you toss a ball straight up so that it takes 4.00 seconds to return?
ANSWER:
20 m/s

19. Daily Double Topic 4 – 20 Points
QUESTION:
A ball is placed at the top of a hill and rolls down with a constant acceleration of 2.0 m/s2. The ball reaches the bottom of the hill in 8.0 s. What is the ball's velocity at the bottom of the hill?
ANSWER:
16m/s
Daily Double

20. Topic 4 – 30 Points
QUESTION:
Thomas tosses a dime at 30.0 m/s straight upward. How much time will the dime spend in the air before he catches it?
ANSWER:
6 sec

21. Topic 4 – 40 Points
QUESTION:
What is the average acceleration of Jake’s car that goes from rest to 50.0 km/h in 7.00 seconds?
ANSWER:
7.14 km/h/s

22. Topic 4 – 50 Points
QUESTION:
A skateboarder starts at rest and then accelerates down a ramp at 5.00 m/s2 for 3.5 s. What is his final velocity?
ANSWER:
17.5 m/s

23. Topic 5 – 10 Points QUESTION: ANSWER:
What slows down the acceleration of an object in free fall?
ANSWER:
Air resistance

24. Topic 5 – 20 Points QUESTION: ANSWER:
A vector has _______ and _________.
ANSWER:
magnitude and direction

25. Topic 5 – 30 Points What does the odometer on a car tell you?
QUESTION:
What does the odometer on a car tell you?
ANSWER:
distance travelled

26. Topic 5 – 40 Points negative acceleration QUESTION: ANSWER:
deceleration

27. Topic 5 – 50 Points The rate at which the velocity is changing.
QUESTION:
The rate at which the velocity is changing.
ANSWER:
Acceleration

28. Final Jeopardy
Question:
Answer: